Avian influenza: Control efforts and trade impacts

01:27:57 | June 10, 2015

The highly pathogenic strain of avian influenza virus (H5N8) that originated in Asia first spread to Europe and North Africa and then in the winter of 2014-2015 came to North America. Once in North America the Asia origin virus mixed with a North American influenza strain to make an H5N2 virus that is now found in three of the four North American wild bird flyways.

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